1971 Buick Riviera vs. 2004 Audi A4
To start off, 2004 Audi A4 is newer by 33 year(s). Which means there will be less support and parts availability for 1971 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1971 Buick Riviera would be higher. At 7,468 cc (8 cylinders), 1971 Buick Riviera is equipped with a bigger engine. In terms of performance, 1971 Buick Riviera (311 HP @ 4200 RPM) has 91 more horse power than 2004 Audi A4. (220 HP @ 6300 RPM). In normal driving conditions, 1971 Buick Riviera should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1971 Buick Riviera weights approximately 330 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1971 Buick Riviera (617 Nm @ 2600 RPM) has 317 more torque (in Nm) than 2004 Audi A4. (300 Nm @ 3200 RPM). This means 1971 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 1971 Buick Riviera | 2004 Audi A4 | |
| Make | Buick | Audi |
| Model | Riviera | A4 |
| Year Released | 1971 | 2004 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 7468 cc | 2983 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 311 HP | 220 HP |
| Engine RPM | 4200 RPM | 6300 RPM |
| Torque | 617 Nm | 300 Nm |
| Torque RPM | 2600 RPM | 3200 RPM |
| Engine Compression Ratio | 8.3:1 | 10.1:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2040 kg | 1710 kg |
| Vehicle Length | 5560 mm | 4550 mm |
| Vehicle Width | 2040 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 3110 mm | 2660 mm |
